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Quality Control

1.  Incoming Raw Material Inspection

2.  Raw Material Segregation to avoid steel grade mix-up

3.  Heating and Hammering End for Cold Drawing

4.  Cold Drawing and Cold Rolling, on line inspection

5.  Heat Treatment,  +A,  +SRA, +LC, +N,  Q+T

6.  Straightening-Cutting to specified length-Finished Measuring Inspection

7.  Machanical Testing in own labs with Tensile Strength, Yield Strength, Elongation,   Hardness, Impact,     Mictrostruture etc

8.  Packing and Stocking.

 

 

  • 100% of our steel tubes are dimensionally checked
  • 100% of our steel tubes are visually checked to assure they have a perfect surface condition and no surface defects.
  • 100% eddy current test and ultrosonic test to eliminate longitudinal and transversal defects.

 

 

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Chemical Composition Testing                                               Chemical Testing

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Computer Recording Testing Result                                    Portable Chemical Analyzing

 

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Impact Testing                                                                           Hardness Testing

 

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Tensile Strength Testing                                                           ET & UT testing

  • China TORICH INTERNATIONAL LIMITED certifications
    ISO9001-2008
    China TORICH INTERNATIONAL LIMITED certifications
    ISO14001-2008
    China TORICH INTERNATIONAL LIMITED certifications
    TS16949
    China TORICH INTERNATIONAL LIMITED certifications
    Pressure Vessel
    China TORICH INTERNATIONAL LIMITED certifications
    CE PED AD 2000 W0
    China TORICH INTERNATIONAL LIMITED certifications
    CE PED
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